Racing Kiteboard Hydrofoils

Strong, Stable, High Performance

Windsurf Hydrofoils

Next Generation Performance

Freeride Kiteboard Hydrofoils

Send It!

Lightweight prepreg construction

Custom Windsurf Fins

Slalom and Formula

F4 designs custom fins for windsurfing

F4 Foils

F4 Foils are designed and manufactured near in San Francisco, California from carbon prepreg materials. F4 builds some of the strongest and lightest foils on the market today. F4 Foils have been developed and influenced by the top riders in the world

Kite Foils – proven success on the race course, the F4 Foil is fast and stable